Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Teeth01:15

Teeth

The formation of teeth, also known as odontogenesis, is a complex process that begins in utero, around the sixth week of embryonic development. There are three stages to this process: the bud stage, the cap stage, and the bell stage.
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin and...
Tooth Anatomy01:21

Tooth Anatomy

The human tooth enables us to eat a variety of foods, speak clearly, and even aid in shaping our faces. Teeth are composed of various elements that work together. Here's a detailed look at the anatomy of a human tooth.
The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or grinding food.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A value-added application of eugenol as acaricidal agent: The mechanism of action and the safety evaluation.

Journal of advanced research·2022
Same author

A cone-beam computed tomographic study evaluating the efficacy of incisor movement with clear aligners: Assessment of incisor pure tipping, controlled tipping, translation, and torque.

American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics·2021
Same author

Biologically active indolizidine alkaloids.

Medicinal research reviews·2020
Same author

[Comparison of skeletal structure of temporomandibular joint through cone-beam CT between Angle ClassⅠ, Ⅱ<sup>1</sup>, Ⅱ<sup>2</sup>, Ⅲ malocclusion patients with permanent dentition].

Shanghai kou qiang yi xue = Shanghai journal of stomatology·2019
Same author

Influence of the three-dimensional printing technique and printing layer thickness on model accuracy.

Journal of orofacial orthopedics = Fortschritte der Kieferorthopadie : Organ/official journal Deutsche Gesellschaft fur Kieferorthopadie·2019
Same author

Design and synthesis of novel 7-[(<i>N</i>-substituted-thioureidopiperazinyl)-methyl]-camptothecin derivatives as potential cytotoxic agents.

Natural product research·2019

Related Experiment Video

Updated: Jun 21, 2026

Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition
07:32

Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition

Published on: February 23, 2024

[Bolton tooth-size discrepancy among different skeletal malocclusion groups].

Chen-jie Yang1, Feng-ting Chu, Yu-fen Qian

  • 1Department of Orthodontics, College of Stomatology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China.

Shanghai Kou Qiang Yi Xue = Shanghai Journal of Stomatology
|August 4, 2009
PubMed
Summary

Skeletal Class III malocclusions show significantly greater Bolton ratios compared to Class I and II. This indicates more frequent tooth size discrepancies in Class III cases.

Related Experiment Videos

Last Updated: Jun 21, 2026

Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition
07:32

Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition

Published on: February 23, 2024

Area of Science:

  • Dentistry
  • Orthodontics
  • Dental Morphology

Background:

  • Tooth size discrepancies can impact orthodontic treatment outcomes.
  • The Bolton ratio is a key metric for assessing tooth proportionality.

Purpose of the Study:

  • To compare Bolton anterior and overall tooth size ratios across different skeletal malocclusions.
  • To investigate the distribution of Bolton ratio discrepancies in various malocclusion types.

Main Methods:

  • Analysis of 180 subjects (60 per group: skeletal Class I, II, III).
  • Measurement of mesio-distal tooth widths and calculation of Bolton ratios.
  • Statistical analysis using t-tests, ANOVA, LSD, and chi-squared tests.

Main Results:

  • No significant sex-based differences in Bolton ratios were observed.
  • Skeletal Class III malocclusions exhibited significantly different Bolton ratios compared to Class I and II.
  • No significant differences in Bolton ratios were found between skeletal Class I and II malocclusions.

Conclusions:

  • Skeletal Class III malocclusions have larger mean anterior and overall Bolton ratios.
  • A higher prevalence of anterior Bolton ratio discrepancies exists in skeletal Class III malocclusions.